| Let's do some math .. Rounding examples of 7 random hypothetical purchases: | ||||||
| Case | Tag Price |
Sales Tax % |
Raw Total Incl. Sales Tax |
Rounded to Penny |
Rounded to Nickel |
Rounded to Dime |
| Purchase #1 | $100.68 | 6.730% | $107.4558 | $107.46 | $107.45 | $107.50 |
| Purchase #2 | $81.62 | 8.624% | $88.6589 | $88.66 | $88.65 | $88.70 |
| Purchase #3 | $186.54 | 12.154% | $209.2121 | $209.21 | $209.20 | $209.20 |
| Purchase #4 | $38.48 | 4.158% | $40.08 | $40.08 | $40.10 | $40.10 |
| Purchase #5 | $29.46 | 11.350% | $32.8037 | $32.80 | $32.80 | $32.80 |
| Purchase #6 | $5.91 | 13.640% | $6.7161 | $6.72 | $6.70 | $6.70 |
| Purchase #7 | $137.71 | 11.802% | $153.9625 | $153.96 | $153.95 | $154.00 |
| 7 purchase totals = | $580.40 | $638.8891 | $638.89 | $638.85 | $639.00 | |